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-   -   define profile UDF (http://www.cfd-online.com/Forums/fluent/41162-define-profile-udf.html)

greg May 29, 2006 12:14

define profile UDF
 
hi. In Fluent we can define species mass fraction by DEFINE_PROFILE UDF. How to do that if only arguments are D_P (name, t ,i) where "t" is tread and "i" is index of variable. I`ve found in UDF user giude that species mass fraction or mass flux can be described or changed by DEFINE_PROFILE. How?? I need to specify y[i], x[i], mixture_c, and than function = y[i]/(y[i]+x[i]). Can you help me with it? Thanks for time.

ahmad June 3, 2006 03:44

Re: define profile UDF
 
HI I want to define a face motion by "define\profile". How can I do this. Does it need C compiler for "profile" such as UDF. when I write profile file for face motion, the following error apears: Error: eval: unbound variable Error Object: name

your help will be highly appreciated.



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